<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta  name = "viewport"  contrnt = "width = device-width,initial-scale=1">
		<title></title>
		<style type="text/css">
			#box{
				width: 300px;
				height: 300px;
				border: 1px solid blue;
				
				display: flex;
				justify-content: space-around;
				align-items: stretch;
				flex-wrap: wrap-reverse;
				
				align-content: flex-end;
			}
			#box div{
				width: 80px;
				border: 1px solid yellow;
			}
			#box div:nth-child(1){
				
				/* display: flex;
				justify-content: center;
				align-items: center;
				 */
				/* flex-shrink: 0; */
				/* flex-grow: 1; */
				/* flex-basis: 100px; */
				flex: 0 1 auto;
			}

		</style>
	</head>
	<body>
		<div id="box">
			<div>￥49</div>
			<div>去支付</div>
		</div>
	</body>
</html>
